is set to null

becomes unpredictable

is set to 1

remains the same

enum is a data type

enum feature is an alternative to the define feature

In the same enumeration values must be distinct

Both enum is a data type and enum feature is an alternative to the define feature

enum variables can be assigned new values

enum variables can be compared

Enumeration feature does no increase the power of C

All of the above

log (n) + 1

log (n - 1) + 1

log (n + 1) + 1

none of the above

before main

after main

anywhere, but starting on a new line

none of the above